The danger of solar flares

Professor of Astronomy and Physics, University of Kansas Adrian Melot, together with Brian Thomas of Washburn University, put forward a new explanation for the mysterious "events Charlemagne," which has received its name in honor of his winning the collision with the Lombards in 774-775 years.

This phenomenon was discovered in 2012, is an abnormal surge in the concentration of radioactive carbon-14, located in the tree rings of the time. A theory that the perpetrators of this — the cosmic rays. According to Adrian Melota, they found out that if this was to blame the sun, its light must have been a thousand times more powerful than during the largest in the history of geomagnetic storms in 1859. However, if you look closely at these erroneous calculations, it becomes clear that the outbreak was only 10-20 times more powerful than in 1859.

Indeed, it is impossible to speak of a solar flare, the strongest of which surpasses all recorded a thousand times. While the deviation of 10-20 looks much more preferable and more intelligent than the explosion of a supernova. The more so because the eastern astronomers at the time had already observed supernovae, but in 774-775 years have not seen them.

According Melota, the data received telescope "Kepler", indicate that the Sun-like stars are frequent outbreaks in excess of the standard. Scientists believe that it is this outbreak caused a sharp increase in radioactivity in 774-775 years. Furthermore, it should completely eliminate the alternative, assuming close supernova exploded. Such growth is carbon-14 could only call a supernova at a distance of not more than one hundred light years. Moreover, this phenomenon had to look in the daytime brighter than the full moon, for a few months. It is unlikely that such a phenomenon could be noticed. All the more so that the remains of a supernova would be visible now.

Also, the scientist considers it unlikely that it was a gamma-ray burst distant supernova — an event when two opposite points of a supernova explosion emit gamma-dense bundles that can cross great distances. Of course, they can "reach" of the planet at a distance of thousands of light years, as the spread relatively coherent. But, as Melot, even at a distance from the solar system, this happens once every 15-20 million years, so the probability of this is much lower than that of the Sun superoutburst.

The researchers also believe that this is not the last event. If we believe this, "Kepler", it happens every thousand or two years, so it may happen again. And the consequences will be very unpleasant. In 1859, for example, refused to telegraph wire across the planet. It is easy to imagine how it will affect the wireless communication. We can completely lose electricity, and to restore the transformer will take quite some time. In either case, a successful December.

Category: Watching the sun and solar anomalies

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